I just discovered that some PSP games have a setting where you can assign buttons to the right analogue stick for the Vita : r/vita
PSP GO Dual Nub Solution -benheck.com Forums
The flow releases more dual analog support for PSP games. - Hackinformer
Sony PSP 2 finally revealed!! Dual analog sticks present!! – Geektech.ie
Amazon.com: OSTENT Full Housing Shell Faceplate Case Parts Replacement Compatible for Sony PSP 2000 Console - Color Brown : Video Games
Rumorang: PSP2 brings dual analog nubs, touch screen by Christmas | Engadget
PSP Slim 2000 Dual Analog - YouTube
Sony Announces A New PSP + PlayStation Store on Android! | Animation World Network
I installed a Vita 2000 joystick in my PSP 3000! : r/PSP
Fast Mobile Centre - SONY PSP VITA Take the greatness of PlayStation® on the go with the ultimate gamer's companion. This slim and sleek device also features high-precision dual analog controls for
Dual-analog controls for PSP via PS2 or PS3 controller possible according to new Sony "docking unit" patent - Video Games Blogger
PSP Thumb Stick Mod with Psvita Analog Stick : r/PSP
PSP – TechEBlog
PSP Extra Analog Stick Mod | TechCrunch
PSP slim dual nubs.
How to enable Analog Controller Mode on PSP PS1 emulator - Wololo.net
PSP with dual analog stick - GIGAZINE
How-To: Craft an analog control stick for your Sony PSP (part 2) | Engadget
Today's hottest game video: PSP 'dual-analog' mod | Engadget
A Second Analog Stick in the PSP Go Was Considered by Sony
11 must-have features for a PSP phone (photos) - CNET
